Card Range To Study

26 Cards in this Set

is the study of the interactions between organisms and their envierments.

Biotic

the part of the envirorment is all of the organisms that live together and interact with one another.

abiotic

the part of the environment includes all of the physical factors-such as water, soil, light, and temputure- that affect organisms living in a particular area.

populations

a salt marsh is a costal area were grasslike plants grow. A population is a group of individuals of the time. for example, all of the seaside sparrows that live together in a salt marsh members of a population. The invaliduals in the population compete with one another for food, nesting space,and mates.

communities

a community consists of all of the populations of different species that live and interact in an area

ecosystems

an ecosystem is made up of a community of organisms and its abiotic environments.

biosphere

the biosphere is the part of earth where life exists

consumers

organisms that eat produce or other organisms for energy called consumer

herbivore

a herbivor is a consumer that eats plants

carnivor

is a consumer that eats animals

omnivores

eat a verity of organisms plants and animals

scarvenger

are animals that feed on bodys or dead animals

decomposer

organisms that get energy by breaking down the remains of dead organisms of decomposers.

food chain

represents how energy in food molecules flows fgrom one organism to the next

food web

the many energy pathways possible are more accuratly shown by a food web

energy pyramid

the loss of energy at each level of the food chain can be represented by an enertgy pyamid

niche

an organisms way of life within an ecoysestem is its niche

habit

an organisms habit is the envirment in witch it leves

Carrying Capacity

The largest population that a given environment can support over time.

prey

the organism that is eten.

predator

the organism that eats the prey.

symbiosis

close long term association between two or more spcies.

mutualism

a symbiotic relationship in which both organisms benefit.

interations among organismas

population contain interacting induviduals of a singal species

competition

when two or more individuals or populations

predators and prey

many interactions among species occur because one organisma eats onother